Finding the Fourth Proportional to 1,261,918.23, 1,892,893.74 and 363,374.70
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Solution
The fourth proportional to 1,261,918.23, 1,892,893.74 and 363,374.70 is: 545,066.77
Step by Step Solution
- Step 1: Write the proportion equation
1,261,918.23 : 1,892,893.74 = 363,374.70 : x - Step 2: Convert to fraction form
1,261,918.23/1,892,893.74 = 363,374.70/x - Step 3: Cross multiply
1,261,918.23x = 1,892,893.74 × 363,374.70 - Step 4: Simplify right side
1,261,918.23x = 687,829,694,904.38 - Step 5: Solve for x
x = 687,829,694,904.38/1,261,918.23 - Step 6: Final answer
x = 545,066.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.